Download AKTU B-Tech 1st Sem 2015-2016 NCS 101 Computer System Programming In C Question Paper

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1036

NCS-101

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(Following Paper ID and Roll No. to be filled in your Answer Book)

Paper ID: 110101

Roll No.

B.Tech.

(SEM. I) THEORY EXAMINATION, 2015-16

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COMPUTER SYSTEM & PROGRAMMING IN C

[Time: 3 hours]

[Total Marks:100]

Note: Attempt all Questions from all Sections as per directions

Section-A

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1. Attempt all parts of this section. Answer in brief. (2×10=20)

   1. List five internal and external commands used in DOS operating system.
   2. Explain the basic structure of C program.
   3. How do binary files differ from text files?
   4. Give the difference between Android and Windows OS.

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   5. Differentiate between structure and union.
   6. What is void pointer? How is it different from other pointers?
   7. Justify that the operating system is a resource manager.
   8. Explain the dot (.) operator in C language with a proper example.
   9. What do you mean by operator precedence?

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   10. Write the difference between implicit and explicit type casting.

Section-B

Attempt any five questions from this section. (10×5=50)

2. What are the different types of functions? Write a program in C to sort a list of names of students in an ascending order.

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3. Write a short note on the top-down program development approach.
4. Write a program in C to reverse a string through a pointer.
5. Write the difference between call by value and call by reference with a suitable example.
6. What are the characteristics of an algorithm? Write an algorithm to find the sum of all the numbers divisible by 3 between 11 and 50.
7. Illustrate and compare the static and extern storage classes with a relevant example in C.

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8. State the features of pointers. Write a C program to sort a given number using pointers.
9. Differentiate between the following:
   1. High-level language and low-level language.
   2. Linker and loader.
   3. Logical error and run-time error.
   4. Algorithm and flowchart.

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Section-C

Answer any two questions from this section: (15×2=30)

10. What are the various types of files that can be created in C language? Also give different modes in which these files can be used with proper syntax. Write a program in C language to append some more text at the end of an existing text file.
11. 1. Write a C program to check whether a given square matrix is symmetric or not.

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    2. Define data types in C. Discuss primitive data types in terms of memory size, format specifier, and range.
    3. List out various file operations in 'C'. Write a C program to count the number of characters in a file.
12. 1. Write the difference between type conversion and type casting. What are the escape sequence characters?
    2. What are the different types of operators in C language and also write down the difference between the associativity and precedence of operators.

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